Cylindrical cage for a filter



FIG. 1 is a front view of a cylindrical cage for a filter showing a first embodiment of my design;

FIG. 2 is a front view of a cylindrical cage for a filter showing a second embodiment of my design;

FIG. 3 is a front view of a cylindrical cage for a filter showing a third embodiment of my design;

FIG. 4 is a front view of a cylindrical cage for a filter showing a fourth embodiment of my design;

FIG. 5 is a front view of a cylindrical cage for a filter showing a fifth embodiment of my design; and,

FIG. 6 is a front view of a cylindrical cage for a filter showing a sixth embodiment of my design.

The broken line showing of the end caps is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a cylindrical cage for a filter, as shown and described. 